Garmin's (GRMN) shares have gained 40.6% year to date compared with the industry's return of 15.3%. It has also outpaced the Zacks Computer & Technology sector's rise of 20.3% and the S&P 500 index's appreciation of 17.3%. The company has been benefiting from its portfolio strength which is driving its momentum across various endmarkets like automotive, marine, healthcare and aviation. Growing efforts toward product innovation, diversification and market expansion are benefiting the performance of its segme ...